alegriakatelyn6 alegriakatelyn6

28-07-2018
Mathematics

contestada

Evaluate cos11pi /6
-square root of 3/2
-1/2
1/2
square root of 3/2

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helenelisabeth helenelisabeth

09-08-2018

[tex] \displaystyle cos \frac{11 \pi}{6}= cos (\frac{3 \pi}{2} + \frac{ \pi}{3})=sin \frac{ \pi}{3}= sin 60^{\circ}=\frac{ \sqrt3}{2} [/tex]

Answer is 4) square root of 3 / 2

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